body {
    background: url("../images/dot-grid.png");
}

.my-padding-tb-mini {
    padding-top: 0.2em !important;
    padding-bottom: 0.2em !important;

}

.my-padding-tb-tiny {
    padding-top: 0.4em !important;
    padding-bottom: 0.4em !important;

}

.my-padding-tb-small {
    padding-top: 0.5em !important;
    padding-bottom: 0.5em !important;

}

.my-padding-tb {
    padding-top: 1em !important;
    padding-bottom: 1em !important;

}

.my-padding-tb-large {
    padding-top: 2em !important;
    padding-bottom: 2em !important;

}

.my-padding-tb-big {
    padding-top: 3em !important;
    padding-bottom: 3em !important;

}


.my-padded-tb-huge {
    padding-left: 4px !important;
    padding-bottom: 4em !important;
}

.my-padding-lr-responsive {
    padding-left: 4em !important;
    padding-right: 4em !important;
}

.my-padded-large {
    padding: 4em !important;
}

.my-padded {
    padding: 0.2em !important;
}

/*margin*/
.my-margin-tb-tiny {
    margin-top: 0.3em !important;
    margin-bottom: 0.3em !important;
}

.my-margin-top-small {
    margin-top: 0.5em !important;
}

.my-margin-top-large {
    margin-top: 2em !important;
}

.my-margin-bottom-mini {
    margin-bottom: 0.2em !important;

}

/*display*/
.my-container {
    max-width: 72em !important;
    margin: auto !important;
}

.my-container-small {
    max-width: 60em !important;
    margin: auto !important;
}

/*shadow*/

.my-shadow-small {
    -webkit-box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
}


/*font*/
.my-font-color-black {
    color: #333 !important;
}

.my-font-weight-thin {
    font-weight: 300;
}

.my-font-size-small {
    font-size: small !important;
}

/*position*/
.my-top-right {
    position: absolute;
    top: 0;
    right: 0;
}

.my-mobile-show {
    display: none !important;
}

@media screen and (max-width: 768px) {
    .my-mobile-hide {
        display: none !important;
    }

    .my-mobile-show {
        display: block !important;
    }

    .my-padding-lr-responsive {
        padding-left: 0 !important;
        padding-right: 0 !important;

    }

    .my-mobile-width {
        width: 100% !important;
    }

    .my-mobile-padding-lr-clear {
        padding-left: 0 !important;
        padding-right: 0 !important;

    }
}

title {
    padding-bottom: 4em !important;
}


/*QR*/
.QR {
    width: 100px;
}

/*position*/
.my-absolute-position {
    position: fixed !important;
    z-index: 1 !important;
}

.my-right-bottom {
    bottom: 0 !important;
    right: 0 !important;
}


/**/
.toc-container {
    width: 250px !important;
}